<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>新课图标</title>
		<style>
			.course {
				left: 20%;
				position: relative;
				border: 1px solid red;
				width: 270px;
				height: 150px;
				border-radius: 10px;
			}
			.new-course {
				position: absolute;
				width: 60px;
				height: 25px;
				top: 0;
				right: 0;
			}
			.course-img {
				width: 270px;
				height: 150px;
				border-radius: 10px;
			}
			
			
		</style>
	</head>
	<body>
		<div class="course">
			<img class="course-img" src="1.png" alt="">
			<img class="new-course" src="2.png" alt="">
		</div>
	</body>
</html>